<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Social Media Sharing UI Design</title>
  <link rel="stylesheet" type="text/css" href="share.css">
  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
</head>

<body>
  <ul>
    <!-- aria-hidden,aria隐藏的属性表明元素及其所有后代在浏览器中仍然可见，但对辅助工具（如屏幕阅读器）不可见。-->
    <li><a href="#"><i class="fa fa-facebook" aria-hidden="true"></i></a></li>
    <li><a href="#"><i class="fa fa-twitter" aria-hidden="true"></i></a></li>
    <li><a href="#"><i class="fa fa-google-plus" aria-hidden="true"></i></a></li>
    <li><a href="#"><i class="fa fa-linkedin" aria-hidden="true"></i></a></li>
    <li><a href="#"><i class="fa fa-instagram" aria-hidden="true"></i></a></li>
  </ul>
</body>

</html>